Category: Electricity

Joseph Romm vs. Bill Gates

by Ginosar Email

Dr. Joseph Romm, on his widely popular and educational blog Climate Progress questioned today many of Bill Gates views on energy and global warming. With all due respect to Dr. Romm, I think he is not seeing the full meaning of Bill Gates points. Here ar… more »

How to mislead on global warming.

by Ginosar Email

For many years the Germans claim great activity in the green energy field. But actually they are increasing their GHG emissions substantially. Many US environmentalists points to the "success" of Germany, even a US Senator said, why we can not be like th… more »

CFL vs. LED - continue

by Ginosar Email

Regarding my previous post on CFL vs. LED. This is the letter I mentioned in that post and mailed to the new, then, general manager of SMUD about improving CFL. I never heard back from him and neither from the Board, about this issue. I have discusse… more »

Could LED lights be superior to CFL?

by Ginosar Email

Twenty years ago I irritated a member of the Sacramento Municipal Utility Board, SMUD, when I answered media questions about Compact Fluorescent Lamps CFL, honestly and told them they have serious problems that must be solved before CFL could have wide p… more »

Potential instability of wind resources

by Ginosar Email

Wind energy is getting a lot of favorable attention globally because it is the least costly low-carbon energy source, relatively simple technology and already proven its abilities to generate electricity on a large scale. However, as we plan to rely on m… more »

Capital cost of PV is four times nuclear

by Ginosar Email

The main, key, primary attention of our global community should be on reducing global warming in conjunction with a viable economy. If we do not devote maximum effort [all demanding extreme amount of capital] to this area very soon dangerous temperature… more »

Total carbon cycle must be included

by Ginosar Email

Coal-generated electricity emits the highest amount of CO2 per kWh. Depending on the variety of coal used, it is just below one kilogram of CO2 per KWh. But this amount does not include the total GHG that coal is adding to our climate. When comparin… more »

SECRETARY SALAZAR APPROVED WIND ENERGY OFF CAPE COD.

by Ginosar Email

Interior Secretary Ken Salazar approved today the first offshore wind farm off the coast of Cape Cod. It took a year of deliberations. Republicans objected on environmental grounds of all things. The Secretary had to overcome a lot of local resistance, b… more »

Nuclear power safety superior to coal

by Ginosar Email

  From todays, 4/6/10, headlines: 1. Twenty five workers killed in West Virginia coal mine blast: Four man still missing at coal facility with history of safety violation. 2. China rescuers press ahead, 115 pulled from mine shaft; 5 dead. X… more »

High cost Solar thermal plants same ballpark as nuclear?

by Ginosar Email

We must replace our CO2 generating plants with low emission plants to fight GW. I am fully for wide use of alternative energies wherever possible and reasonably economical. First we need to be factual in our numbers; otherwise we are misleading ourselves… more »

Illuminating the Developing world.-Energy Eff. Conf. Cont.

by Ginosar Email

Energy Efficiency Conference TECHNICAL DISCUSSIONS - CONTINUE:   Illuminating the Developing world.   Evan Mills, Ph.D. Staff Scientist, Lawrence Berkeley National Laboratory Research Affiliate, Energy & Resources Group, UC Berkeley… more »

Overview of some of global warming realities

by Ginosar Email

There are a lot of discussions about the undesirability of nuclear power and how expensive it is. To answer quickly these concerns I have summarized below the key points to consider. Details are in the different blogs I have written of these issues.… more »

Cutting GHG by Replacing Coal by Natural Gas plants

by Ginosar Email

A practical approach to cut US GHG by 19%by replacing coal plants with natural gas combined cycle (NGCC) Summary Our electrical system was designed to supply reliable electricity at the lowest cost, which most of the time was done well. Witho… more »

THERE IS A DIFFERENCE BETWEEN SOUNDING GOOD AND DOING GOOD

by Ginosar Email

Or, WHO FIGHT GW THE MOST: GERMANY, US, OR CHINA?   "...the current state of knowledge of global warming is sufficiently clear to state that failure to act promptly to reduce global emissions of carbon dioxide and other heat-trapping gases is overwhe… more »

Are Green Energy Projections Useful?

by Ginosar Email

Many scientists like to project what would be the best way to replace our current fossil-based energy sources with green energy. See for example the November issue of Scientific American: Plan for A Sustainable Future. MIT also has projections and so hav… more »

California Building Standards are Not Strong Enough

by Ginosar Email

Introduction: California is noted for its lower electricity consumption because it has a leveled per capita use of electricity while in the rest of the US the per capita electricity demand increased significantly over the last three decades. The comm… more »

Use Lowest Emitting Powerplants First

by Ginosar Email

Investor owns corporations have the responsibility to maximize profit. The same goes for investor-owned electrical utilities. But the need of the nation and the world can be in direct conflict with this established profit goal, especially when dealing wi… more »

Facts & Thoughts about Electricity Generation

by Ginosar Email

FACTS AND THOUGHTS ABOUT U.S. ELECTRICITY GENERATION I. Electricity generation consumes 40% of US input energy, II.  2/3 of this input energy is wasted! Numbers are rounded up for clarity. All units are metric.   I. Total US PRIMARY ener… more »